CVE-2026-69587: Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability
Null pointer dereference in Windows IKE Extension allows an unauthorized attacker to deny service over a network.
Other sources
Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.2954Patch KB5124012 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9445Patch KB5124008 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9445Patch KB5124008 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.7582Patch KB5122880 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5622Patch KB5122882
Event History
Frequently Asked Questions
Which systems are in scope for this issue?
The affected software listed is Microsoft Windows 11, Microsoft Windows Server 2022, and Microsoft Windows Server 2025.
Does exploitation require credentials or user interaction?
No. The vector is network-based, with low attack complexity, no privileges required, and no user interaction required.
What is the expected impact if exploitation succeeds?
The stated impact is denial of service. The provided vector indicates no confidentiality or integrity impact, while availability impact is high.